Diamond shaped necktie



FIG. 1 is a front elevational view of a diamond shaped necktie, according to my new design;

FIG. 2 is a left side elevational view thereof; shown with the necktie folded in half;

FIG. 3 is a perspective view thereof; and,

FIG. 4 is a rear elevational view thereof.

The broken lines shown in FIG. 4 represent environmental structure that forms no part of the claimed design. 

CLAIM The ornamental design for a diamond shaped necktie, as shown and described. 